Identification in previous country of sojournAll documents used for identification, such as identification card or household / family documents used by the applicants and their family in China.

All documents, other than identification card, that proves North Korean family registration - Letters, photographs, North Korean family registration and any other related documents.

Progress document (Progress from birth to current entry into Korea, filled out residence conditions in detail) - Birth, family relationship and living conditions in North Korea - The details going to China and living conditions in China (school, work, marriage and children, etc.) - The details on deciding to enter Korea and the process of entry - Living conditions in Korea and details on naturalization application - If contact is maintained with family members currently elsewhere, details on when, how and how often the contact is being made.

A Copy of family registry and resident registration of relatives in Korea (if any) - Meeting details of relatives in Korea (attach registered seal certificate of writer)

The confirmation letter that have been investigated at the police station